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MathGroup Archive 1997

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a[[2]][[3]] = 1 error? why?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg8874] a[[2]][[3]] = 1 error? why?
  • From: "charles loboz" <charles at syacus.acus.oz.au>
  • Date: Tue, 30 Sep 1997 20:16:39 -0400
  • Organization: Unisys - Roseville, MN
  • Sender: owner-wri-mathgroup at wolfram.com

a=Table[i*j,{i,1,3},{j,1,3}];
a[[2]][[3]]

answer : 6 (as it should be)
so why assignment to 
a[[2]][[3]] = 3
doesn't work?



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